Electric lamp



Patented lune 24, i924..

URG, OF CHICAGO, ILLINUIS, SSIGNOR T0 H. A. FURG &

COMPANY, yF CHICAGO, ILLINOIS.

ELECTRIC I.

Application filed November 37,' 1923. Serial No. 677,203.

To all whom. t my concer/n.'

Be it known that I, HENRY A. FRAMBURG, a citizen of the United States,residing at Chicago, in the county of Cook, State. of'

. mounted within a casing which carries the globe, the parts being soconstructed and arranged that the globe may be readily removed for thepurpose of replacing the bulb or bulbs enclosed within.

It has been the general practice in the past to use screws for holdingthe globes or shades or the equivalenty glassware to the holder, butsuch an arrangement has been a troublesome one for the reason that insetting up the screws to hold the shades or globes, undue pressure' isapplied to the rim thereof with a conseguent breakin hence if breakagedoes not occur at time o putting globe in place, it may occur later dueto expansion by heat. Furthermore by the use ever centralized w-ithrespect to the bulb.

Where lamp bulbs are enclosed in a globe the light which passes throughthe globe comes directly from the filament of the bulb and part of thisis absorbed in the globe.

It is one of the prime objects of my invention to provide a lamp inwhich theligl'it rays which ordinarily pass upward are relecteddownward, thereby adding to the light emanating through the globe.

A further object of my 'invention .is to provide an arrangement in whichthe globe is held substantially all the way laround its periphery by aholding ring, thereby eliminating undue pressure at any point as isobtained by the use of screws.

While attaining the object last describe/d, it is a further object torovide means whereby the globemay be easily and quickly removed -forcleaning purposes or for the 1pulrlpose of changing or removing the lampA still further object is to provide aflamp which may be readilyconnected up to a of screws the globes or shades are rarely` of the rim17 is shown in Fig'. 2

lighting circuit; also one in which the heat generated by the lamp bulbmay befeasily dissipated without leaving openings for bugs and` insectsto get inside the lamp.

`'Iheseand other objects will be apparent to those skilled in the artafter a study of the specification taken in connection with the annexeddrawing, wherein:

Figure 1 is a part elevational and part sectional view of the lamp, butwith the lower part of the globe broken away.

Fi ure 2 is a view on a considerably reduce scale of the bottom of thelamp, 'without the globe.

VFigure 3 is a fra mentary view of a portion of the casing s owing theWay of. lockingvtwo parts of the casing together.

iigure 4 is a fragmentary sectional view vshowing a modified form of alocking'means to be used in place of that shown in Fig. 3.

In the drawings 1 illustratesa base, vpreferably of metal, which isformed with an annular lip 24, which has two portions 18 and 19 outawayat points substantially diametrically opposite for the purpose whichshall be later referred to. On the base 1 is carried'a bracket 2, thesame being fastened thereto in any satisfactory manner, such as byscrews 10. The base 1 also carries a lamp socket 9, the same beingfastened thereto by screws 11. Supported on the top part of the bracketis a bell-sha d member 4, which acts as a 'support for w at may betermed a ring member 3. The member 4 has an annular rim 23, whichcarries the ring 3. The upper edge of the ring 3 has notches 14, threeof which are found to be satisfactory for the purpose. Punohed out ofthe material of the member 4 are lugs 13, which are adapted to vallowthe notches 14 to pass over, after which the ring 3 is turned to theposition shown in Fig. 3, thereby locking the ring in -position on therim 23. The ring 3 has a" downwardly projecting flange 25 that isadapted to fit downwardly over the lip 24 on the base 1 encompassing therim 17 on the globe 12, thereby perpherally engaging the globe andholding it in position. The inner line ring' y3 isv turnedpuntiltheinotches114 are,

by a dotted l Vthe holes l5 to the outer'air by way in line with thelugs i3 when the ring member 3 may be raised and the globe tilted sothat it will pass over the cut-away portions 18 and 19 of the base l,which cutaway portions therefore act as means for passing the globe overor withdrawing it from the base l.. ln place of the punched up lugs 13on the member a, screws may be set into the member l and perform thesame functions as the lugs 13, all as shown in Fig. d.

Attached to the bracket 2 is a member 6 preferably threaded so as to bescrewed into the bracket 2 and a nut 8 is used to clamp the member on tothe bracket and at the same time lock the member 6 in place. Passingover the upper end of the member d is a dome mem-ber 5 so shaped thatthe rounded portion l@ covers a series of holes l5 in the upper part oithe bellshaped mem ber Il. The holes l5 cooperate with the holes 20 inthe base l to allow the heated air within the globe to pass upwardthrougl o.- the space i6 and the annular space 26. rlhe holder 7 isscrew threaded on to the member 6 clamping against the dome 5 to hold itin position on the member l. The member 6 is hollow as indicated by thepassageway 2l for the purpose of allowing the conductors to be carriedto the lamp socket.

l prefer to construct the base member l so that it will act as aredector for throwing downward the light rays, coming to its surfacefrom the lamp bulb. l have `t'ound that this arrangement materiallyincreases theeliiciency of the entire device.

From what has been said, it will be readily perceived that the deviceherein described is one that can be easily manufactured and quicklyassembled and disassembled all for the purposes set forth.

While l have shown the preferred form of one embodiment of my invention,l do not wish to be limited to the exact details shown and described, asit will be apparent that` these details may be varied over quite widelimits.

Having1 thus described my invention, what l claim is:

l. lin a device ot the class described; in combination, a base carryinga lamp socket, a bracket attached to said base, a ring supporting membercarried by the. bracket, a rin supported by said member, a globe hel inposition on said base by said ring, and means attached to the bracketfor supporting the entire device.

2. ln a device ot the class described; yin combination, a base car ing alamp socket, a bracket attached to said base, a ring supporting membercarried by the bracket, a rin supported by said mernber, a globe hel kinposition on said base by said ring, a dome fitting over wird' ringsupporting Maasai member, a member attached to said bracket andextending upward through the dome and a holder attached to the lastmentioned member.

3. ln a device of the class described; in combination, a base carrying alamp socket, a bracket attached to said base, a ring supporting membercarried by the bracket, a ring supported by said member, a globe held inpositionl on said base by said ring, a dome fitting over and resting onsaid ring supporting member, a threaded member attached vto said bracketand extending upward through the dome, a nut on the threaded member toclamp `the ring supporting member tothe bracket and a holder having athreade'dlpart to engage said threaded member to hold said dome inposition.

Llifl'n a device of the class described; in combination, a base carryinga lamp socket, a bracket attached to said base, a ring supporting membercarried by the bracket, a`

ring supported by said member, said member and ring having means fordetachably locking said parts together' in operative po-l sition, aglobe held in position on said base by said ring, means associated withsaid base for permitting the globe to be placed over its vouterperiphery and means attached to the, bracket for supporting the entiredevice.

5. ln a device of the class described; in combination, a base carrying alamp socket, a bracket attached to said base, said base having anextended lip with diametrically opposite portions removed therefrom, aring supporting member carried by the member,

a ring supported by said member, a globe having a rim smaller indiameter than the diameter ot the lip on said base, but adapted to passover the cut-away portions ofsaid lip and to rest on said lip, said ringhaving a dange adapted topass over the rimA of said globe and hold thesame in position on said base lip, a dome resting on said ringsupporting member, a member attached to said bracket and extendingupward through said dome and a holder attached'to said lastmentionedmember.

6. ln a device of the vclass described; in combination, a base having anannular lip, a lamp bulb socket and a bracket attached to said base, aring supporting member carried by the bracket, a ring carried by saidmember, said ring having a Harige adapted to cooperate with said lip forclamping the globe oven said bulb, ventilatino holes in said -base andin the upper part oki said ring supporting member, a ome resting on saidring supporting' member having a part extending below the Ventilatingholes in said member, and a holder having a stem extending through thedomeand attached to said bracket.

7, lu adevice of the class described; in

lll?

forming an air chamber with an annular aircombination, a base carying alamp socket, bracket attached to said base, a ring supporting membercarried by the bracket, a globe. `held in position on said base by saidring, said base and ringsupporting member having Ventilating holes, adome seated in the ring su porting member having a part extendingvownward over'the said member opening thereinto, a holder having a stempassing through the dome and attached to said bracket.

8. In a device of the class described; in combination, a base carrying alamp socket,

a bracket attached to said base, a ring supporting member carried by thebracket, a rin detachably carried by said member, a glo e held in'osition on said base by said ring, a holder aving an extension attachedto said bracket, and a dome member held in position onv the ringvsupporting member by said holder and stem, said base further acting as areector.

9. In a device ofthe class described, a base carryin a lamp socket, abracket attached te sai base on one side, said base being iinished onthe other side to act as a re e ctor, a ring supporting member carriedby `the` bracket, a. ring supported by said member, a globe held inposition on said base by said ring and means attached to the bracket forsupporting the entire device.

10. In a device ofy the class described, a base formed with an annularlip to support a globe and having a lamp socket and bracket attached onone side thereof, with its other side finished `to act as a reflector,

a ring member having a portion formed to clamp'said globe over'the lipon the base,

'means for-su porting the ring, and means attached to t e bracket for,supporting the entire device.

11. In a device ofthe class described, a base formed with an annular lipto support a globe and .having a lamp socket and a bracket attached onone side thereof, with its other side [inishedto act as a reflector,said base having Ventilating holes therein, a ring member having. aportion formed to clamp said globe over the lip on the base, abellshaped member carried by said bracket for detachably supporting saidIring, said memberv having a series of Ventilating holes in its upperport-ion, a dome member supported on said bell-shaped member having aportion forming an air chamber over said ventilating holes therein, anda holder having a stem passing `through the dome and attached to saidbracket for supporting the entire device.

12. In a device of' the class described, a base forsup'porting a lobe, aglobe having a flanged o enng sma ler in diameter than the nominadiameter of the base, said base having cut-away portions whereby theglobe can be tilted and' passed over the outer periphery of the base, alamp socket carried by the base, a ring member for clamping the g obe-to the base, means independent of the base for supporting the-ringmember, and means for supporting the entire device.

13. y'In a device of the class described, a base for supporting a lobe,a globe having a flanged o ening sma ler in dlameter than vthe nominadiameter of the base, said base having a ange to rest on said lip with.means associated with the lip to permit the globe to be passed over it,a ring for reen the base, a support for said base, a member carried bythe support for carrying said ring and a holder for the entire deviceattached to said base support member.

15. In a device of the class described, a member having one sidefinished to act as a reflector, a lamp socket mounted on the oppositeside of said member but having the lamp opening toward the reflectorside, a globe adapted to be supported around its periphery on saidmember with means associated with the member to ipermit the globe to befitted over thel said member, a ring for retaining the globe on themember, a support on said member extending upward, va member attached tosaid lsupport for carrying said ring and a holder for the entire'deviceattached to said support.

16. In a device of the class described, a member finished on one side toact as a reflector, -a lamp socket and a support member attached to saidreflector member, a globe supported around theperiphery of the member, arin for retaining the globe in position on the re ector member, a membercarried by said support for carrying said ring, said 'taining the globeon the lip, a lamp socket ring and its support member having as- Asociated means for quickly disengaging the ring from its `operativeposition and a holder for the entire device attached to saidv support.

17. In a unit light, the combination with a member carrying a lampsocket and acting as a reflector, of a globe peripherally supported onsaid member, a ring member for holding the globe in place on thereflector member, a holder for hanging the unit with'means for attachingthe holder to the reflector member, and a support member for the ringmember held in place by said attaching means.

18. In a unit light, the combination With a member carrying a lampsocket and acting as a reflector, of a. lobe peripherally supported onsaid member, a rin-g member for holding the globe in place on thereflector member, a holder for hanging the unit with means forattachingr the holder to the re- Hector member including a bracketfastened to the reliector member and a threaded mem` ber between theholder and bracket, a support member for the ring member carried I onsaid bracket, and a dome member resting on said support ymember andenclosing said threaded member.

19. In a unit light including a base carrying a lamp socket on one sideand a lamp on the other, a globe for enclosing the lamp supported onsaid base, a ring for holding the .globe in position, a bracket on thebase, a

member carried by the bracket for supporting the ring member, a holderfor the unit attached to said bracket and means for Ventilating theunit; comprising holes in the base, holes in the ring supporting member,and a dome member` resting on the ring support member and having a partextending over the holes therein and having an air chamber having anannular outlet around the ring supporting member.

20. In a device of the class described, a base carrying a lamp socket, asupport bracket attached to the base, a globe having a rim fittingdirectl around and outside the outer edge of sai base, and a ring havingsupporting means on the bracket for engaging the outer part of saidglobe rim to hold it in place on the rim of said base.

ln testimony whereof, I affix my signature.

HENRY A. FRAMBURG.

